v4.2: Update app.py

fix: upload actual app.py content with all v4.1 fixes

🛡️ v4.1: Fix all critical bugs, security issues, and performance problems (#2)

Fix: ChatInterface examples must be list of lists with additional_inputs

v4.0: Add app.py — OCR + RAG Chatbot + Clause Redlining

v3.1: Fix 1-6 from bug report — deterministic chunking, metadata fix, heading strip, raw_text missing-clause, guardrails

v3.0: Upload actual app.py content

v3.0: Fix critical CUAD label mapping, softmax→sigmoid, add ML NER + NLI models

Upload app.py

Upload app.py

Upload app.py

Wire trained Legal-BERT model (76% F1) into live demo — replaces regex

v2: Fix all versions + minimal UI redesign (no gradients, clean layout)

🛡️ ClauseGuard MVP — AI Fine Print Scanner